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Galinsoga parviflora var. semicalva

Galinsoga parviflora var. semicalva A. Gray  
Family: Asteraceae
Galinsoga parviflora var. semicalva image
Cecelia Alexander
  • FNA
  • Resources
Judith M. Canne-Hilliker in Flora of North America (vol. 21)
Plants 4-35 cm. Leaf blades lance-olate to ovate, 7-55(-80) × 3-20 mm, margins usually entire or serrulate, sometimes serrate. Arrays of heads congested. Axillary peduncles shorter than subtending bractlets. 2n = 32.

Flowering summer-fall. Rocky slopes; 1800-2700 m; Ariz., N. Mex., Tex.; Mexico.

Plants of var. semicalva are less branched and usually have narrower leaves and shorter axillary peduncles than those of var. parviflora. They are found above 1500 m as far south as Distrito Federal, Mexico. Morphologic intermediates between the diploid var. parviflora and the tetraploid var. semicalva occur throughout the range of var. semicalva.

Galinsoga parviflora var. semicalva
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Galinsoga parviflora var. semicalva image
Cecelia Alexander
Galinsoga parviflora var. semicalva image
Cecelia Alexander
Galinsoga parviflora var. semicalva image
Cecelia Alexander
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
Galinsoga parviflora var. semicalva image
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

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